Housing structure employing a circular arch



FIG. 1 is a front perspective view, showing my new design;

FIG. 2 is an elevated plan view of the housing structure, shown in FIG. 1;

FIG. 3 is a right side elevational view of the housing structure as exposed and, shown in FIG. 1;

FIG. 4 is a left side elevational view of the housing structure, shown in FIG. 1;

FIG. 5 is a front, end elevational view of the housing structure, shown in FIG. 1; and

FIG. 6 is a rear, end elevational view of the housing structure, shown in FIG. 1.

FIG. 7 is a sectional view particularly showing one arch taken through lines 7--7 of FIG. 2. 

The ornamental design for a housing structure, substantially as shown and described. 